<template>
  <div class="app-container">
    <el-row :gutter="20">
      <el-col :span="4" :xs="24">
        <div class="head-container">
          <el-input
            v-model="albumName"
            placeholder="请输入相册名称"
            clearable
            size="small"
            prefix-icon="el-icon-search"
            style="margin-bottom: 20px"
          />
        </div>
        <div class="head-container">
          <el-tree
            :data="albumTreeOptions"
            :props="defaultProps"
            :expand-on-click-node="false"
            :current-node-key="currentNode"
            :filter-node-method="filterNode"
            ref="albumTree"
            node-key="albumId"
            default-expand-all
            highlight-current
            class="tree-style"
            @node-click="handleNodeClick"
          />
        </div>
      </el-col>
      <el-col :span="20" :xs="24">
        <el-form
          :model="queryParams"
          ref="queryForm"
          size="small"
          :inline="true"
          v-show="showSearch"
          label-width="68px"
        >
          <el-form-item label="图片描述" prop="photoDesc">
            <el-input
              v-model="queryParams.photoDesc"
              placeholder="请输入图片描述"
              clearable
              @keyup.enter.native="handleQuery"
            />
          </el-form-item>
          <el-form-item label="创建时间">
            <el-date-picker
              v-model="dateRange"
              style="width: 240px"
              value-format="yyyy-MM-dd HH:mm:ss"
              type="daterange"
              range-separator="-"
              start-placeholder="开始日期"
              end-placeholder="结束日期"
              :default-time="['00:00:00', '23:59:59']"
            ></el-date-picker>
          </el-form-item>
          <el-form-item>
            <el-button
              type="primary"
              icon="el-icon-search"
              size="mini"
              @click="handleQuery"
            >搜索
            </el-button
            >
            <el-button icon="el-icon-refresh" size="mini" @click="resetQuery"
            >重置
            </el-button
            >
          </el-form-item>
        </el-form>

        <el-row :gutter="10" class="mb8">
          <el-col :span="1.5">
            <el-button
              type="primary"
              plain
              icon="el-icon-plus"
              @click="handleAdd"
              v-hasPermi="['blog:photo:add']"
            >新增
            </el-button
            >
          </el-col>
          <el-col :span="1.5">
            <el-button
              type="danger"
              plain
              icon="el-icon-delete"
              :disabled="multiple"
              @click="handleDelete"
              v-hasPermi="['blog:photo:remove']"
            >删除
            </el-button
            >
          </el-col>
          <right-toolbar
            :showSearch.sync="showSearch"
            @queryTable="getList"
          ></right-toolbar>
        </el-row>

        <el-table
          border
          stripe
          v-loading="loading"
          :data="photoList"
          @selection-change="handleSelectionChange"
        >
          <el-table-column type="selection" width="55" align="center"/>
          <el-table-column label="图片描述" align="center" prop="photoDesc"/>
          <el-table-column label="所属相册" align="center" prop="albumName">
            <template slot-scope="scope">
              <el-tag type="primary" disable-transitions>{{
                  scope.row.albumName
                }}
              </el-tag>
            </template>
          </el-table-column>
          <el-table-column label="图片" align="center" prop="photoImageUrl">
            <template slot-scope="scope">
              <image-preview
                :src="scope.row.photoImageUrl"
                :width="110"
                :height="60"
              />
            </template>
          </el-table-column>
          <el-table-column label="状态" align="center" prop="status">
            <template slot-scope="scope">
              <el-switch
                v-model="scope.row.status"
                active-value="0"
                inactive-value="1"
                @change="handleStatusChange(scope.row)"
              ></el-switch>
            </template>
          </el-table-column>
          <el-table-column label="添加时间" align="center" prop="createTime"/>
          <el-table-column
            label="操作"
            align="center"
            class-name="small-padding fixed-width"
          >
            <template slot-scope="scope">
              <el-button
                size="mini"
                type="text"
                icon="el-icon-edit"
                @click="handleUpdate(scope.row)"
                v-hasPermi="['blog:photo:edit']"
              >修改
              </el-button
              >
              <el-button
                size="mini"
                type="text"
                icon="el-icon-delete"
                @click="handleDelete(scope.row)"
                v-hasPermi="['blog:photo:remove']"
              >删除
              </el-button
              >
            </template>
          </el-table-column>
        </el-table>

        <pagination
          v-show="total > 0"
          :total="total"
          :page.sync="queryParams.pageNum"
          :limit.sync="queryParams.pageSize"
          @pagination="getList"
        />
      </el-col>
    </el-row>
    <!-- 添加或修改相册图片对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="所属相册" prop="albumId">
          <el-select filterable clearable v-model="form.albumId">
            <el-option
              v-for="item in albumOptions"
              :key="item.albumId"
              :label="item.albumName"
              :value="item.albumId"
              :disabled="item.status == 1"
            >
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="图片描述" prop="photoDesc">
          <el-input
            v-model="form.photoDesc"
            type="textarea"
            placeholder="请输入内容"
          />
        </el-form-item>
        <el-form-item label="图片" prop="photoImage">
          <image-upload :limit="20" v-model="form.photoImage"/>
        </el-form-item>
        <el-form-item label="图片状态" prop="status">
          <el-radio-group v-model="form.status">
            <el-radio-button
              v-for="dict in dict.type.sys_normal_disable"
              :key="dict.value"
              :label="dict.value"
            >{{ dict.label }}
            </el-radio-button>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button :loading="buttonLoading" type="primary" @click="submitForm"
        >确 定
        </el-button
        >
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listPhoto,
  getPhoto,
  delPhoto,
  addPhoto,
  updatePhoto,
  changePhotoStatus
} from '@/api/blog/photo'
import { queryAllList } from '@/api/blog/album'

export default {
  name: 'Photo',
  dicts: ['sys_normal_disable'],
  data() {
    return {
      dateRange: [],
      albumName: undefined,
      currentNode: undefined,
      albumOptions: [],
      albumTreeOptions: [],
      defaultProps: {
        children: 'children',
        label: 'albumName'
      },
      // 按钮loading
      buttonLoading: false,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 相册图片表格数据
      photoList: [],
      // 弹出层标题
      title: '',
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        albumId: undefined,
        photoDesc: undefined,
        status: undefined
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        photoImage: [
          { required: true, message: '图片不能为空', trigger: 'blur' }
        ],
        status: [
          { required: true, message: '状态不能为空', trigger: 'change' }
        ]
      }
    }
  },
  created() {
    this.getAlbumTree()
    this.queryParams.albumId = this.$route.params && this.$route.params.albumId
    if (this.queryParams.albumId) {
      this.currentNode = this.queryParams.albumId
    }
    this.getList()
  },
  watch: {
    // 根据名称筛选相册树
    albumName(val) {
      this.$refs.albumTree.filter(val)
    }
  },
  methods: {
    /** 查询相册列表并构建 */
    getAlbumTree() {
      queryAllList().then((response) => {
        this.albumOptions = response.data
        this.albumTreeOptions.unshift({
          id: null,
          albumName: '全部相册',
          children: this.albumOptions
        })
      })
    },
    // 筛选节点
    filterNode(value, data) {
      if (!value) return true
      return data.albumName.indexOf(value) !== -1
    },
    // 节点单击事件
    handleNodeClick(data) {
      this.queryParams.albumId = data.albumId
      this.form.albumId = data.albumId
      this.handleQuery()
    },
    /** 查询相册图片列表 */
    getList() {
      this.loading = true
      listPhoto(this.addDateRange(this.queryParams, this.dateRange)).then(
        (response) => {
          this.photoList = response.rows
          this.total = response.total
          this.loading = false
        }
      )
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        photoId: undefined,
        albumId: undefined,
        photoName: undefined,
        photoDesc: undefined,
        photoImage: undefined,
        status: '0'
      }
      this.resetForm('form')
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.dateRange = []
      this.resetForm('queryForm')
      this.handleQuery()
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.photoId)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset()
      this.open = true
      this.title = '添加相册图片'
      console.log(this.queryParams)
      this.form.albumId = this.queryParams.albumId
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      const photoId = row.photoId || this.ids
      getPhoto(photoId).then((response) => {
        this.loading = false
        this.form = response.data
        this.open = true
        this.title = '修改相册图片'
      })
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs['form'].validate((valid) => {
        if (valid) {
          this.buttonLoading = true
          if (this.form.photoId != null) {
            updatePhoto(this.form)
              .then((response) => {
                this.$modal.msgSuccess('修改成功')
                this.open = false
                this.getList()
              })
              .finally(() => {
                this.buttonLoading = false
              })
          } else {
            addPhoto(this.form)
              .then((response) => {
                this.$modal.msgSuccess('新增成功')
                this.open = false
                this.getList()
              })
              .finally(() => {
                this.buttonLoading = false
              })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const photoIds = row.photoId || this.ids
      this.$modal
        .confirm('是否确认删除相册图片编号为"' + photoIds + '"的数据项？')
        .then(() => {
          this.loading = true
          return delPhoto(photoIds)
        })
        .then(() => {
          this.loading = false
          this.getList()
          this.$modal.msgSuccess('删除成功')
        })
        .catch(() => {
        })
        .finally(() => {
          this.loading = false
        })
    },
    // /** 导出按钮操作 */
    // handleExport() {
    //   this.download(
    //     "blog/photo/export",
    //     {
    //       ...this.queryParams,
    //     },
    //     `photo_${new Date().getTime()}.xlsx`
    //   );
    // },
    //状态修改
    handleStatusChange(row) {
      let text = row.status === '0' ? '启用' : '停用'
      this.$modal
        .confirm(`确认要'${text}' 此照片吗？`)
        .then(function() {
          return changePhotoStatus(row.photoId, row.status)
        })
        .then(() => {
          this.$modal.msgSuccess(text + '成功')
        })
        .catch(function() {
          row.status = row.status === '0' ? '1' : '0'
        })
    }
  }
}
</script>
